CVE-2023-0066 Companion Sitemap Generator <= 4.5.1.1 - Contributor+ Stored XSS
Contributors can inject malicious scripts via shortcode attributes in the Companion Sitemap Generator plugin, leading to stored XSS attacks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-0066?
CVE-2023-0066 is a medium-severity cross-site scripting vulnerability in Unknown Companion Sitemap Generator, published on 13 Mar 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Which versions are affected by CVE-2023-0066?
It affects 1 product.
Products include Codeermeneer Companion Sitemap Generator.
How do I fix CVE-2023-0066?
No fix has been published for CVE-2023-0066 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-0066 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0066 exists.
Other vulnerabilities in Unknown Companion Sitemap Generator
Sources
Also known as GHSA-h5cj-2hmj-3vwf.